APA-viite (7. p.)

Spinelli, E., & DePalma, M. N. (2004). Now it is winter. Eerdmans Books for Young Readers.

Chicago-viite (17. p.)

Spinelli, Eileen, ja Mary Newell DePalma. Now It Is Winter. Grand Rapids, Mich.: Eerdmans Books for Young Readers, 2004.

MLA-viite (8. p.)

Spinelli, Eileen, ja Mary Newell DePalma. Now It Is Winter. Eerdmans Books for Young Readers, 2004.